The list of Summer ’21 features below apply to Salesforce Classic.
There are additional Summer ’21 features available to Lightning Experience and Salesforce Classic, Lightning Experience only, Salesforce Experience Enhancements, Mobile Enhancements, Other Enhancements in the Summer ’21 Release Highlights post.
Note: These features are not listed in any specific order.
1.Original Territory Management Has Been Retired.
2. (Update) Delete Your Original Territory Management Sharing Records. From the Release Updates page, you can delete your original territory management sharing records. No need to contact Salesforce Support or use the Metadata API.
3. Redirect Expired Tabs to a Custom Logout URL. Previously, only one tab redirected as expected, and the others redirected to Salesforce.com.